Asyncio with pyhon3 await error when using the update function for kasa

Question

I am using the Kasa smart plug library. However, when i run

asyncio.run(self.device.update())

I get an error

kasa.exceptions.SmartDeviceException: You need to await update() to access the data

Therefore, I changed my code to

await asyncio.run(self.device.update())

However, this hasn't helped. Any help is appreciated

This is my code

import asyncio
from kasa import SmartPlug


class TpLinkHandler():
    def __init__(self, address):
        self.device = SmartPlug(address)
        self.details = self.device.hw_info

    def update(self):
        await asyncio.run(self.device.update())

    def shutdown(self):
        asyncio.run(self.device.turn_off())
        return "shutdown"

    def turnOn(self):
        asyncio.run(self.device.turn_on())
        return "Turning on"

    def __repr__(self):
        return self.details

if __name__ == "__main__":
    device = TpLinkHandler("192.168.0.41")
    device.update()
    device.turnOn()

Thanks.

JamesMcC · Accepted Answer · 2021-02-15 17:36:35Z

0

So to solve this error you need to change the update function to

    async def update(self):
        await self.device.update()

answered Feb 15, 2021 at 17:36

JamesMcC

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2 Comments

dirn Over a year ago

This change alone isn’t sufficient since it changes how update would need to be called.

JamesMcC Over a year ago

Correct, it needs to be called when an async task is already in operation

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